194   bool padInstructionViaRelaxation(MCRelaxableFragment &RF,
198   bool padInstructionViaPrefix(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
201   bool padInstructionEncoding(MCRelaxableFragment &RF, MCCodeEmitter &Emitter,
768 bool X86AsmBackend::padInstructionViaPrefix(MCRelaxableFragment &RF,  in padInstructionViaPrefix()  argument
771   if (!RF.getAllowAutoPadding())  in padInstructionViaPrefix()
777   if (mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in padInstructionViaPrefix()
780   const unsigned OldSize = RF.getContents().size();  in padInstructionViaPrefix()
787     X86_MC::emitPrefix(Emitter, RF.getInst(), Code, STI);  in padInstructionViaPrefix()
805   const uint8_t Prefix = determinePaddingPrefix(RF.getInst());  in padInstructionViaPrefix()
809   Code.append(RF.getContents().begin(), RF.getContents().end());  in padInstructionViaPrefix()
810   RF.getContents() = Code;  in padInstructionViaPrefix()
813   for (auto &F : RF.getFixups()) {  in padInstructionViaPrefix()
821 bool X86AsmBackend::padInstructionViaRelaxation(MCRelaxableFragment &RF,  in padInstructionViaRelaxation()  argument
824   if (!mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in padInstructionViaRelaxation()
829   MCInst Relaxed = RF.getInst();  in padInstructionViaRelaxation()
830   relaxInstruction(Relaxed, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
834   Emitter.encodeInstruction(Relaxed, Code, Fixups, *RF.getSubtargetInfo());  in padInstructionViaRelaxation()
835   const unsigned OldSize = RF.getContents().size();  in padInstructionViaRelaxation()
841   RF.setInst(Relaxed);  in padInstructionViaRelaxation()
842   RF.getContents() = Code;  in padInstructionViaRelaxation()
843   RF.getFixups() = Fixups;  in padInstructionViaRelaxation()
848 bool X86AsmBackend::padInstructionEncoding(MCRelaxableFragment &RF,  in padInstructionEncoding()  argument
853     Changed |= padInstructionViaRelaxation(RF, Emitter, RemainingSize);  in padInstructionEncoding()
855     Changed |= padInstructionViaPrefix(RF, Emitter, RemainingSize);  in padInstructionEncoding()
893         auto &RF = cast<MCRelaxableFragment>(*I);  in finishLayout()  local
894         Relaxable.push_back(&RF);  in finishLayout()
925         auto &RF = *Relaxable.pop_back_val();  in finishLayout()  local
929         if (padInstructionEncoding(RF, Asm.getEmitter(), RemainingSize))  in finishLayout()
938         if (mayNeedRelaxation(RF.getInst(), *RF.getSubtargetInfo()))  in finishLayout()